Using slit outlet, the critical height of vortex sink is substantially lower than that of the round outlet used when the area of outlet and flow are equal.
采用缝隙式出流口时产生漩涡的临界高度比采用同面积的圆形出流口时的低得多。
A sink brims with water.You pull the plug.The water stirs.A vortex materializes.
满满一盥洗槽的水，当你拔去水槽的塞子，水就会开始搅动。
In this paper, the effect of compression does not be treated with PrandtI-Glauert's transformation, bat directly treated with compressible source (sink) and vortex.
压缩性的影响本文不采用P—G转换，而是直接使用可压缩空间后掠马蹄涡和源(汇)。
The surface of propeller and its trailing vortex is divided into a number of small hyperboloidal quadrilateral panels with constant source sink and doublet distributions.
螺旋桨表面和它的尾涡面离散为四边形双曲面元，每个面元上布置等强度偶极子和源汇分布。
The surface of propeller and its trailing vortex is divided into a number of small hyperboloidal quadrilateral panels with constant source sink and doublet distributions.
螺旋桨表面和它的尾涡面离散为四边形双曲面元，每个面元上布置等强度偶极子和源汇分布。
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